using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Hello World");

        Name n1 = new Name("Hugh Jackman");

        Console.WriteLine(n1.First);

    }

}

​

public class Name

{

    public Name(string name)

    {

        FullName = name;

        First = "Unknown";

        Last = "Unknown";

    }

    public string FullName {get; set;}

    public string First {get; set;}

    public string Last {get; set;}

}

​

public class SpecialName : Name

{

    public SpecialName(string name):base(name)

    {

        First = base.FullName.Split(' ')[0];

        Last = base.FullName.Split(' ')[1];

    }

}